git: 4b77a9a80cf8 - main - uath: Avoid a NULL dereference

The branch main has been updated by jlduran:

URL: https://cgit.FreeBSD.org/src/commit/?id=4b77a9a80cf8a9cba5607d8d8fa0742334dcf0f4

commit 4b77a9a80cf8a9cba5607d8d8fa0742334dcf0f4
Author:     Jose Luis Duran <jlduran@FreeBSD.org>
AuthorDate: 2025-02-12 15:31:43 +0000
Commit:     Jose Luis Duran <jlduran@FreeBSD.org>
CommitDate: 2025-02-12 15:33:26 +0000

    uath: Avoid a NULL dereference
    
    PR:             284643
    Reviewed by:    adrian
    Approved by:    emaste (mentor)
    MFC after:      1 week
    Differential Revision:  https://reviews.freebsd.org/D48948
---
 sys/dev/usb/wlan/if_uath.c | 10 ++++++----
 1 file changed, 6 insertions(+), 4 deletions(-)

diff --git a/sys/dev/usb/wlan/if_uath.c b/sys/dev/usb/wlan/if_uath.c
index 32e3c0325c6e..10e3b50eaeb3 100644
--- a/sys/dev/usb/wlan/if_uath.c
+++ b/sys/dev/usb/wlan/if_uath.c
@@ -2308,10 +2308,12 @@ uath_cmdeof(struct uath_softc *sc, struct uath_cmd *cmd)
 			    __func__, dlen, sizeof(uint32_t));
 			return;
 		}
-		/* XXX have submitter do this */
-		/* copy answer into caller's supplied buffer */
-		bcopy(hdr+1, cmd->odata, sizeof(uint32_t));
-		cmd->olen = sizeof(uint32_t);
+		if (cmd->odata != NULL) {
+			/* XXX have submitter do this */
+			/* copy answer into caller's supplied buffer */
+			bcopy(hdr+1, cmd->odata, sizeof(uint32_t));
+			cmd->olen = sizeof(uint32_t);
+		}
 		wakeup_one(cmd);		/* wake up caller */
 		break;